Panasonic KX-TD500 System Reference Manual page 312

6. Intercept Routing No Answer (IRNA)
6-1.
*
6-2.
* 1
* 2
IRNA to a non-VPS extension
CO
DIL 1:1
DISA
DID
Call State
Ringback Tone
Busy Tone *
Refer to "8. Treatment of the call transferred to the busy extension/VPS by IRNA
feature" on page 3-F-56 for further information.
IRNA to a VPS extension
CO
DIL 1:1
DISA
DID
Call State
Ringback Tone
(The call is transferred to the
VPS 1.) * 1
Busy Tone * 2
The KX-TD500 system sends the "Forward to VM Serquence" when the VM
extension answers the call.
Refer to "8. Treatment of the call transferred to the busy extension/VPS by IRNA
feature" on page 3-F-56 for further information.
3-F-52
IRNA
Ext.1
Conditions
The Ext.2 is idle.
The Ext.2 is busy.
IRNA
Ext.1
Conditions
The VPS 1 is idle.
The VPS 1 is busy.
Ext.2
VPS 1